* {
  word-break: break-all;
}

html,
body {
  height: 100%;
}

.div-main {
  width: 1366px;
  margin: 0px auto;
  display: flex; /*压力布局*/
  flex-wrap: wrap; /*内容换行*/
  justify-content: space-around; /*多余的宽度成为环绕空白*/
  padding: 20px;
}

.div-icon {
  border: 1px solid #ff0000;
  border-radius: 20px;
  padding: 20px;
  width: 200px;
  height: 200px;
  transition: all 1s;
}

.div-icon:hover {
  box-shadow: 0 0 10px rgba(255, 0, 0, 1);
  width: 220px;
  height: 220px;
  cursor: pointer;
}
